Re: ATA identify retries exceeded - kernel panic

["Thomas E. Spanjaard" <tgen@xxxxxxxxxxxxx>]

Ferruccio Zamuner wrote:
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x41455378
> fault code            = supervisor write, page not present
> instruction pointer   = 0x8:0xc019d92b
> stack pointer         = 0x10:0xcfc94cdc
> frame pointer         = 0x10:0xcfc94d0c
> code segment          = base 0x0, limit 0xfffff, type 0x1b
>                      = DPL 0, pres 1, def32 1, gran 1
> processor eflags      = interrupt enabled, resume, IOPL=0
> current process       = Idle
> current threads       = pri 60 (CRIT)
>
> kernel: type 12 trap, code=2
> Stopped at     ad_interrupt+x038a: movl   %eax,0x148(%edx)
> db> trace
> ad_interrupt(cfc1e848,c1a816c0,cfc94d84,c029da35,c1d246e8) at 
> ad_interrupt+0x38a
> ata_intr(c1d246e8,0,0,0,13) at ata_intr+0x10a
> ithread_handler(a,0,0,0,0) at ithread_handler+0x9d
> lwkt_exit() at lwkt_exit

Could you make a coredump of that, then examine whatever it tries to do 
with kgdb? (up to the faulting instruction, then list, the print any 
variables you see to find dead pointers?)

Cheers,
--
        Thomas E. Spanjaard
        tgen@xxxxxxxxxxxxx

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